The laso receiver works with canonrsquos non radio ettl flashes users can control and trigger these flashes from different radio devices including the phottix laso transmitter canon st e3 rt flash transmitter and canon radio enabled flashes the laso receiver can also be connected to studio lights offering the ability to mix hot shoe flashes and studio lights in one triggering system wireless flash shooting controlled by phottix laso transmitter canon st e3 rt and canon rt flas